Related Experiment Videos
The staining of acid fast bacilli in sections of glycol methacrylate embedded tissues
Stain Technology
|May 1, 1978
Abstract:
Acid-fast bacilli can be stained in tissue embedded in glycol methacrylate. Modification of the Ziehl-Neelsen technique, along with changes in the formula of the plastic embedding medium, allow production of 1 to 2 micron sections which retain their integrity throughout the procedure, and within which the bacilli are clearly visible.
Insights
This study demonstrates a modified Ziehl-Neelsen staining technique for visualizing acid-fast bacilli in glycol methacrylate-embedded tissue. The improved method yields thin, intact tissue sections with clearly visible bacilli.
Area of Science:
- Microbiology
- Histology
- Biomedical Science
Background:
- Acid-fast bacilli (AFB) are clinically significant pathogens.
- Accurate visualization of AFB in tissue is crucial for diagnosis.
- Traditional staining methods may have limitations in certain embedding media.
Purpose of the Study:
- To develop an optimized staining protocol for AFB in glycol methacrylate (GMA) embedded tissues.
- To enhance the visibility and integrity of bacilli within thin tissue sections.
Main Methods:
- Modification of the Ziehl-Neelsen staining technique.
- Adaptation of the plastic embedding medium formula for GMA.
- Sectioning of embedded tissue to 1-2 microns.
Main Results:
- Successful staining of acid-fast bacilli in GMA-embedded tissue.
- Production of thin (1-2 micron) tissue sections.
- Sections maintained integrity throughout the staining procedure.
- Clear visualization of bacilli within the prepared sections.
Conclusions:
- The modified Ziehl-Neelsen technique is effective for AFB detection in GMA-embedded tissues.
- This method allows for high-resolution imaging of bacilli.
- The protocol supports diagnostic accuracy in histopathology.